Service Letter SL-550-78| Name | Revision | Lang | Subject | Date |
|---|
| SL550-78-04 | 1 | en | Exhaust - Thrust Reverser Junction Box Modification | 06/05/1987 |
| SL550-78-06 | | en | EXHAUST - REPAIR OF THRUST REVERSER SUPPORT BOLT ANTI-ROTATION FEATURE | 09/14/1990 |
| SL550-78-08 | | en | EXHAUST - THRUST REVERSER STANG FAIRING SUPPORT FORMER REPLACEMENT (ROHR INC. SERVICE BULLETIN NO. CIT II/78-11) | 05/03/1993 |
| SL550-78-10 | | en | EXHAUST - TRANSMITTAL OF THE NORDAM GROUP SERVICE BULLETIN CIT BV 78-1 EXHAUST - THRUST REVERSER - LOWER DOOR - ADDITION OF DRAIN HOLE | 06/25/1999 |